Graco 312766N User's Manual
Contents
1. 24J676 253146 120207 24J526 234188 120998 161788 16C799 256432 161792 161793 186648 161795 116343 15K008 162989 164250 24T262 166564 256429 312766N Description PLUG pipe SST BALL bearing upper BALL bearing lower O RING SPRING compression tapered CYLINDER air SPRING compression WASHER valve BASE motor air HOUSING connecting rod RING connecting ADAPTER bung SST includes 16a 169 O RING inner ADAPTER CLAMP hopper O RING O D PACKING cup upper piston BEARING piston upper ROD piston fluid RING back up SEAL piston lower BEARING piston lower PISTON SCREW ground LABEL ID GASKET PIN ball stop HOUSING valve intake BEARING connecting rod CAP cylinder air Qty ee eee ee bocho bo ho bh a bo F st ld ida y N Ref 35 36 37 38 38af 38b 38c TF 38d 38e 38f 389 39 51 54 55 56 57 58 59 Part 24J678 24K361 256431 24J679 162729 189210 108357 181485 108358 181487 220884 172479 111791 206264 169969 114558 118403 24R988 103414 Description ROD piston FRAME pump ROD pump connector PISTON valve air PLATE exhaust PISTON O RING SPACER O RING PLATE intake SCREW 6 32 TAG instruction SEAL VALVE needle FITTING line air COUPLER line air O RING CYLINDER piston O RING Parts ZA ddr dl sr LAO A OOO rr iui lt Complete T1 pump repair kit 24X055 contai2. secos ria e 14 Daily Shutdown 14 PROD OU ue den oa Dada 15 Before you start 15 Air Motor Disassembly 15 Air Motor Reassembly 16 Pump Lower Disassembly 17 Pump Lower Reassembly 19 Troubleshooting 21252546 21 PAS nan ihe tay eect Date uit damien 22 Accessories ina it a seu 24 DIMENSIONS dca eG ete a O dan 26 Technical Data oia rar esse 27 Performance Chart 28 Graco Standard Warranty 30 Graco Information 30 2 312766N Warnings Warnings The following warnings are for the setup use grounding maintenance and repair of this equip ment The exclamation point symbol alerts you to a general warning and the hazard symbol refers to procedure specific risk Refer back to these warnings Additional product specific warnings may be found throughout the body of this manual where applicable 312766N N TOXIC FLUID OR FUMES HAZARD Toxic fluids or fumes can cause serious injury or death if splashed in the eyes or on skin inhaled or swallowed e Read MSDS s to know the specific hazards of the fluids you are using e Store hazardous fluid in approved containers and dispose of it according to applicable guidelines e Always wear impervious gloves when spraying or cleaning equipment PERSONAL PROTECTIVE EQUIPMENT
3. 17 6 Use a turning motion to maneuver and install the pump connecting rod 37 and piston back into the pump frame 36 See FIG 14 on page 17 7 Install piston cylinder 58 a For Series A and B Pumps Support the pump frame 36 with a strap wrench Lubricate o ring 57 lightly with grease and apply loctite to threads of pump cyl inder 58 Torque to 10 15 ft lbs 13 5 20 Nem T121638b FIG 20 Series A and B b For Series C Pumps Support the pump frame 36 with wrench flats Lubricate o ring 57 lightly with grease and apply loctite to threads of pump cylinder 58 Torque to 30 35 ft lbs 41 48 Nem T121637a FIG 21 Series C 19 Repair 8 Install intake valve 29 a For Series A and B Pumps Apply thread locker to threads of intake valve 29 Torque to 10 15 ft lbs 13 5 20 Nem 58 1117179b FIG 22 Series A and B b For Series C Pumps Lubricate o ring 59 and install thread locking com pound to threads of intake valve 29 Torque to 30 35 ft lbs 41 48 Nem 58 T121636a FIG 23 Series C 20 312766N Troubleshooting Troubleshooting rante Gas Souten The pump fails to operate Clean lines or increase the air restricted lines supply see Technical Data Worn or damaged valves or Service the valves or seals seals The pump operates but the Clogged fluid hose or valve Clear the hose or valves output is low on both strokes Low or e
4. 2766N Typical Installation Typical Installation Typical Installation without Circulation Key for FIG 1 G Feed Pump Air Supply Lines 3 8 in 76 mm ID min A Reactor Proportioner H Waste Containers B Heated Hose J Fluid Supply Lines 217382 C Fluid Temperature Sensor FTS K Feed Pumps D Heated Whip Hose L Agitator E Fusion Spray Gun M Desiccant Dryer F Proportioner and Gun Air Supply Hose N Bleed Lines Over Pressure Relief P Gun Fluid Manifold K m G H _ 7 a J p a El veal CC ge ES SS B ti11572a Shown exposed for clarity Wrap with tape during operation FIG 1 Typical Installation without Circulation 312766N 7 Typical Installation Typical Installation with Circulation Key for FIG 2 G Feed Pump Air Supply Lines 3 8 in 76 mm ID min A Reactor Proportioner J Fluid Supply Lines 217382 B Heated Hose K Feed Pumps C Fluid Temperature Sensor FTS L Agitator D Heated Whip Hose M Desiccant Dryer E Fusion Spray Gun N Bleed Lines Over Pressure Relief F Proportioner and Gun Air Supply Hose P Gun Fluid Manifold ti11571a Shown exposed for clarity Wrap with tape during operation FIG 2 Typical Installation with Circulation 8 312766N Typical Installation Typical Installation for Lubrication Applications Key for FIG 3 AF Bung Adapter AG Grounded Air Hose T p ted poe AH Grounded Fluid Hose ee ae AJ Pump Fluid Inlet AC Air Line F
5. Instructions Parts List gt 7 GRACO 11 2 1 Ratio Transfer Pump 918 003 For use with polyurethane foam polyurea and solvent borne and water borne materials For professional use only Model 256200 55 Gallon 200 Liter Drum Size 180 psi 1 2 MPa 12 bar Maximum Air Working Pressure 360 psi 2 5 MPa 25 bar Maximum Fluid Working Pressure Important Safety Instructions Read all warnings and instructions in this manual Save these instructions 1117170a 11 1 2 G T6 0359 ITSO3ATEX11227 PROVEN QUALITY LEADING TECHNOLOGY Contents Warnings tadas aia a A 3 Isocyanate Hazard 5 Moisture Sensitivity of lsocyanates 5 Foam Self Ignition 6 Keep Components A and B Separate 6 Changing Materials 6 Typical Installation 7 Typical Installation without Circulation 7 Typical Installation with Circulation 8 Typical Installation for Lubrication Applications 9 instalation scirent bend tee dal 10 System Accessories 10 Air Line Accessories 10 Fluid Line Accessories 10 SETUP ES es CUS NS ee de N is cae tee 11 GYOUNGIIAG 2 se ease do tn ticked Beale 12 Operation sidra weenie o 13 Pressure Relief Procedure 13 Flush Pump Before Use 13 RUSHING Dita orde 13 Dally StantUb
6. MPa 35 bar Maximum Working Pressure Part 208630 Description VALVE ball 1 2 npt m x 3 8 npt f for non corrosive fluids carbon steel and PTFE VALVE ball 3 8 npt m x 3 8 npt f for corrosive fluids SST and PTFE 23 534 Go Insert Tool 24B917 4 in long 01357 312766N Qty 1 Qty Accessories Fluid Pressure Regulator 250 psi 1 7 MPa 17 5 bar Maximum Working Pressure Part Description Qty 203831 REGULATOR fluid carbon steel 0 60 psi 1 209030 0 4 bar regulated fluid pressure range 2 gpm 7 6 liter min maximum flow rate REGULATOR fluid stainless steel 5 100 1 psi 0 4 7 bar regulated fluid pressure range 3 gpm 11 3 liter min maximum flow rate Fluid Filter 300 psi 2 1 MPa 21 bar Maximum Working Pressure Part Description Qty 213057 FILTER 30 mesh 1 213058 FILTER 60 mesh 1 213059 FILTER 100 mesh 1 UHMWPE Packing Conversion Kit 224017 Part 111004 111005 161789 161794 405977 Description PACKING cup PACKING cup BEARING piston BEARING piston MANUAL instruction Qty QD NO 25 Dimensions Dimensions 1 4 npt f Air Inlet 1 2 npt f Fluid Outlet 33 7 in 85 6 cm 26 43 0 in 109 2 cm 1117170a 51 5 in 130 8 cm 312766N Technical Data Pressure tal cin roda a Maximum fluid working pressure Maximum air inlet pressure Pump cycles per 1 gallon 3 8 liters Maximum recom
7. You must wear appropriate protective equipment when operating servicing or when in the operating area of the equipment to help protect you from serious injury includ ing eye injury inhalation of toxic fumes burns and hearing loss This equipment includes but is not limited to e Protective eyewear Clothing and respirator as recommended by the fluid and solvent manufacturer e Gloves e Hearing protection FIRE AND EXPLOSION HAZARD Flammable fumes such as solvent and paint fumes in work area can ignite or explode To help prevent fire and explosion Use equipment only in well ventilated area Eliminate all ignition sources such as pilot lights cigarettes portable electric lamps and plastic drop cloths potential static arc Keep work area free of debris including solvent rags and gasoline Do not plug or unplug power cords or turn power or light switches on or off when flammable fumes are present Ground all equipment in the work area See Grounding instructions Use only grounded hoses Hold gun firmly to side of grounded pail when triggering into pail If there is static sparking or you feel a shock stop operation immediately Do not use equipment until you identify and correct the problem Keep a working fire extinguisher in the work area Warnings EQUIPMENT MISUSE HAZARD KA Misuse can cause death or serious injury e Do not operate the unit when fatigued or under the influence of drugs or alcohol e Do not exce
8. a tion Applications using adapters as neces sary An air line lubricator AB provides automatic air motor lubrication 10 A bleed type master air valve AD is required in your system to relieve air trapped between it and the air motor when the valve is closed see the WARNING on left Be sure the bleed valve is easily accessible from the pump and is located downstream from the air regulator An air line filter AC to remove harmful dirt and moisture from the compressed air supply A second bleed type air valve AD isolates the air line accessories for servicing Locate upstream from all other air line accessories Fluid Line Accessories A fluid drain valve AE is required in your system to relieve fluid pressure in the hose and gun see the WARNING on left Install the drain valve so that it points down and the han dle points up when the valve is opened 312766N Setup 1 Apply thread sealant to the male threads of the air needle valve 54 and the quick dis connect fitting 55 Install into inlet port AK A Apply thread sealant 1117171a FIG 4 2 Apply thread sealant to the male outlet fit ting BC not supplied and insert into the outlet port AL AN Apply thread sealant T117172a FIG 5 312766N Setup 3 Use labels 25 provided to identify the appropriate pump for your material 25 ti11649a FIG 6 4 Lubricate the bung adapter 16 inside diameter and moun
9. ations Wrench flats were also added to improve serviceability K In mid 2013 the fluid section was Series A and B pumps can be upgraded with repair kit 24R989 1 Unscrew the air motor connecting ring 15 Lay the pump on its side and rotate until the ball on the pump connecting rod 37 releases from the socket in the motor pis ton rod 35 Separate the motor from the displacement pump 1117178b Support the Series A and B pump frame with a strap wrench Series C pumps have wrench flats FIG 14 To repair the air motor see Air Motor AN Disassembly on page 15 312766N Repair 2 Unscrew the intake valve housing 29 from the piston cylinder 58 Disassemble intake valve 58 T117179b FIG 15 3 Unscrew the piston cylinder 58 from the pump frame 36 17 Repair Push down on the pump connecting rod 37 until fluid piston assembly is clear of displacement pump frame 36 Pull the piston assembly and connecting rod out of the frame Remove the bearing 31 and seal 51 from the frame TI17180b Support the Series and B pump frame with a strap wrench Series C pumps have wrench flats FIG 16 K Scoring or irregular surfaces on the 18 connecting rods 37 19 or polished inner wall of the pump frame 36 and piston cylinder 58 can cause prema ture packing wear and leaking To check these parts rub a finger over the surface or hold the part up to the light a
10. being sprayed according to local code 6 Fluid supply container according to local code 7 All solvent pails used when flushing according to local code Use only metal pails which are conductive Do not place the pail on a non conductive surface such as paper or cardboard which interrupts the grounding continuity 8 To maintain grounding continuity when flushing or relieving pressure always hold a metal part of the spray gun dispensing valve firmly to the side of a grounded metal pail then trigger the gun valve 312766N Operation Operation Pressure Relief Procedure Flushing FE e Flush at the lowest pressure possi a N ble Check connectors for leaks and D a tighten as necessary Trapped air can cause the pump to cycle e Flush with a fluid that is compatible unexpectedly which could result in serious with the fluid being dispensed and injury from splashing or moving parts the equipment wetted parts 1 Shut off the air to the pump 2 Close the bleed type master air valve AD 3 Hold a metal part of the dispense valve firmly to a grounded metal pail Trigger the Trapped air can cause the pump to cycle valve to relieve pressure unexpectedly which could result in serious injury from splashing or moving parts 4 Open all fluid drain valves in the system having a waste container ready to catch drainage Leave drain valve s open until you are ready to dispense again 5 If you suspe
11. ct the nozzle or hose is clogged or that pressure has not been fully relieved after following the steps above VERY SLOWLY loosen the hose end cou pling to relieve pressure gradually then loosen completely Clear hose or nozzle obstruction Flush Pump Before Use The pump is tested with lightweight oil which is left in to protect the pump parts To prevent contamination of the fluid you are pumping flush the pump with a compatible solvent before using it See Flushing page 13 312766N Follow Pressure Relief Procedure page 13 Place suction tube in grounded metal drum containing cleaning fluid Set pump to lowest possible fluid pressure and start pump Hold a metal part of the dispense valve firmly to a grounded metal pail Trigger the dispense valve until clean solvent dis penses Remove valve from hose Follow Pressure Relief Procedure and remove fluid filter and soak in solvent Replace filter cap Cycle the pump slowly for at least 5 min utes then stop and disconnect the air hose Push up on the ball 5 of the intake valve 29 to drain the lower part of the pump Turn the pump over to drain the upper part of the pump 13 Operation Daily Startup 1 Verify that the air needle valve 54 is closed 2 Connect the air line quick disconnect cou pler 55 to the transfer pump 3 Turn on the main air supply 4 Slowly open the air needle valve until the t
12. ed the maximum working pressure or temperature rating of the low est rated system component See Technical Data in all equipment manuals Use fluids and solvents that are compatible with equipment wetted parts See Technical Data in all equipment manuals Read fluid and solvent manufacturer s warnings For complete information about your material request MSDS forms from distributor or retailer Check equipment daily Repair or replace worn or damaged parts immediately with genuine manufacturers replacement parts only Do not alter or modify equipment Use equipment only for its intended purpose Call your distributor for information Route hoses and cables away from traffic areas sharp edges moving parts and hot surfaces Do not kink or over bend hoses or use hoses to pull equipment Keep children and animals away from work area Comply with all applicable safety regulations PRESSURIZED EQUIPMENT HAZARD Fluid from the gun dispense valve leaks or ruptured components can splash in the eyes or on skin and cause serious Injury Follow Pressure Relief Procedure in this manual when you stop spraying and before cleaning checking or servicing equipment Tighten all fluid connections before operating the equipment Check hoses tubes and couplings daily Replace worn or damaged parts imme diately MOVING PARTS HAZARD Moving parts can pinch or amputate fingers and other body parts Keep clear of moving parts Do not operate equ
13. ent avec les proc dures concern es Graco Information For the latest information about Graco products visit www graco com TO PLACE AN ORDER contact your Graco distributor or call to identify the nearest distributor Phone 612 623 6921 or Toll Free 1 800 328 0211 Fax 612 378 3505 All written and visual data contained in this document reflects the latest product information available at the time of publication Graco reserves the right to make changes at any time without notice For patent information see www graco com patents Original instructions This manual contains English MM 312766 Graco Headquarters Minneapolis International Offices Belgium China Japan Korea GRACO INC AND SUBSIDIARIES P O BOX 1441 MINNEAPOLIS MN 55440 1441 USA Copyright 2008 Graco Inc All Graco manufacturing locations are registered to ISO 9001 WWW graco com Revised December 2013
14. f crystallization varies depending on the blend of ISO the humidity and the temperature 312766N Isocyanate Hazard To prevent exposing ISO to moisture Always use a sealed container with a desic cant dryer in the vent or a nitrogen atmo sphere Never store ISO in an open container Use moisture proof hoses specifically designed for ISO such as those supplied with your system Never use reclaimed solvents which may contain moisture Always keep solvent con tainers closed when not in use Never use solvent on one side if ithas been contaminated from the other side Always lubricate threaded parts with Part 217374 ISO pump oil or grease when reas sembling Isocyanate Hazard Foam Self Ignition AN Some materials may become self igniting if applied too thick Read material manufacturer s warnings and material MSDS Keep Components A and B Separate CAUTION To prevent cross contamination of the equipments wetted parts never interchange component A and component B Changing Materials e When changing materials flush the equip ment multiple times to ensure it is thor oughly clean e Check with your material manufacturer for chemical compatibility e Some materials use catalyst on the A side but some applications may use catalyst on the B side e Epoxies often have amines on the B cata lyst side Polyurethanes often have amines on the B resin side 6 31
15. ilter AK 1 4 npt f Pump Air Inlet AD Bleed Type Master Air Valve required for AL 1 2 npt f Pump Fluid Outlet pump AE Fluid Drain Valve required AM Return Port AH t111573a FIG 3 Typical Installation for Lubrication Applications 312766N 9 Installation Installation D ji MIRE MPa bar Ps1 ENT bleed type master air valve AD and a fluid drain valve AE are required in your system to help reduce the risk of serious injury including splashing fluid in the eyes or on the skin and injury from moving parts when you are adjusting or repairing the pump The bleed type master air valve AD relieves air trapped between this valve and the pump after the pump is shut off Trapped air can cause the pump to cycle unexpectedly and result in serious injury including amputation Install the valve close to the pump The fluid drain valve AE helps relieve pres sure in the displacement pump hose and dis pensing valve when shutting off the pump Actuating the dispensing valve to relieve pres sure may not be sufficient especially if there is a clog in the hose or the dispensing valve System Accessories Refer to FIG 3 and the Accessories on page 24 mance be sure that all accessories used are properly sized to meet your system s requirements K To ensure maximum pump perfor Air Line Accessories Install the following accessories in the order shown in the Typical Installation for Lubric
16. ipment with protective guards or covers removed Pressurized equipment can start without warning Before checking moving or servicing equipment follow the Pressure Relief Procedure in this manual Dis connect power or air supply 4 312766N Isocyanate Hazard Spraying materials containing isocyanates creates potentially harmful mists vapors and atomized particulates Read material manufacturer s warnings and material MSDS to know specific hazards and precautions related to isocyanates Prevent inhalation of isocyanate mists vapors and atomized particulates by provid ing sufficient ventilation in the work area If sufficient ventilation is not available a sup plied air respirator is required for everyone in the work area To prevent contact with isocyanates appro priate personal protective equipment includ ing chemically impermeable gloves boots aprons and goggles is also required for everyone in the work area Moisture Sensitivity of Isocyanates Isocyanates ISO are catalysts used in two component foam and polyurea coatings ISO will react with moisture Such as humidity to form small hard abrasive crystals which become suspended in the fluid Eventually a film will form on the surface and the ISO will begin to gel increasing in viscosity If used this partially cured ISO will reduce performance and the life of all wetted parts The amount of film formation and rate o
17. ir valve piston from the piston rod See FIG 11 39 t111654a FIG 11 4 Remove washer 10 lower spring 9 and gasket 27 Inspect for wear or damage and replace as necessary See FIG 13 5 If any valve plate spacers 38d are dam aged replace all three to maintain the cor rect clearance between the valve plates 18a 18f and the seats See FIG 12 N Apply locking compound to threads ZX Torque to 10 14 in lb 1 1 1 6 Nem 38a 02125 FIG 12 16 6 Disconnect the piston rod 35 from the pump connecting rod 37 and pull the pis ton rod out of the air motor base 13 Remove o ring 6 Inspect o ring 6 and replace if necessary FIG 13 Air Motor Reassembly 1 Reinstall o ring 6 Reconnect the piston rod 35 and the pump connecting rod 37 See FIG 13 2 Reinstall the gasket 11 spring 9 and washer 10 Reassemble the piston 38 Apply thread sealant to the threads of the piston rod 35 and carefully screw the pis ton 38 onto the rod See FIG 11 and FIG 13 N When installed there should be 0 032 in 0 8 mm minimum clearance between the washer 10 and the shoulder of the piston rod 35 312766N 3 Reinstall the spring 7 and gasket 27 on the cylinder cap 34 and screw the cap onto the cylinder 8 Screw the cylinder into the air motor base 13 See FIG 10 Pump Lower Disassembly upgraded to prevent threaded joints from loosening due to vibr
18. mended pump speed for continuous operation Gallons liters per pump cycle All CONSUIMDUOM cai ii E a Maximum ambient temperature Maximum fluid temperature WElCO pans sesos are eee eed Fluid recirculation port Air inlet port Fluid outlet port Weight Sound Pressure Sound Power per ISO 9614 2 312766N Technical Data 2 1 360 psi 2 5 MPa 25 bar 180 psi 1 2 MPa 12 bar 40 100 cycles per min 150 cycles per min intermittent 0 025 0 095 See Performance Chart on page 28 120 F 50 C 180 F 82 C Stainless Steel PTFE PEEK 3 8 npt f 1 4 npt f 1 2 npt f 18 5 lbs 8 4 kg 88 7 dB A at 80 psi 0 55 MPa 5 5 bar 96 8 dB A at 80 psi 0 55 MPa 5 5 bar 27 Technical Data Performance Chart Calculate Fluid Outlet Pressure black curves To calculate fluid outlet pressure MPa bar psi at a specific fluid flow Ipm gpm and operating air pressure MPa bar psi use the following instructions and pump data chart 1 Locate desired fluid flow along bottom of chart 2 Follow vertical line up to intersection with selected air pressure curve black Follow horizontally left to read fluid outlet pres sure Calculate Pump Air Consumption gray curves To calculate pump air consumption m min or scfm at a specific fluid flow lom gpm and air pressure MPa bar psi use the following instructions and pump data chart 1 Locate desired fluid flow along bo
19. mpty fluid supply Refill the fluid supply and rep rime the pump Worn or damaged valves or Service the valves or seals seals The pump operates but the Held open or worn intake Clear or service the valve output is low on the down valve stroke Worn or damaged valves or Service the valves or seals seals The pump operates but the Held open or worn piston Clear or service the valve output is low on the upstroke valve Worn or damaged valves or Service the valves or seals seals Erratic or accelerated opera Low or empty fluid supply Refill the fluid supply and rep tion rime the pump Broken air motor compression Replace the spring spring Pump slowly moves after fluid Clogged or dirty intake valve Clean ball and seat shutoff in downstroke check ball Worn or damaged valves or Install repair kit seats Pump slowly moves after fluid Clogged or dirty lower piston Clean ball and seat shutoff in upstroke ball or seat Worn or damaged valves or Install repair kit seats 312766N 21 Parts Parts 11 2 1 Ratio Transfer Pump 256200 AM Torque to 30 35 ft lb 41 48 Nem A Lips face down A Lips face up A Grooves face down A Use assembly tool 24B917 6 Thin medium and thick refers to the relative cross section thickness of the o rings T117182c 22 312766N 11 2 1 Ratio Transfer Pump 256200 Part 101748 101750 101917 156698 157630 24J673 157633 157872 24J674 24J675
20. ns repair kits 247958 and 24K363 x Parts included in repair kit 247958 Parts included in repair kit 24K363 Indicates parts not shown shipped loose Parts included in repair kit 24R989 See Pump Lower Disassembly page 17 for instructions 23 Accessories Accessories Grounding Clamp Part Description Qty 214848 LUBRICATOR air line 8 oz 0 24 liter 1 Part Description Qty bowl capacity 1 2 npt f inlet and outlet 103538 CLAMP ground 1 Air Line Filter and Regulator Bl T Master Air Valv eed Type Maste ane 180 psi 1 3 MPa 13 bar Maximum Working 300 psi 2 1 MPa 21 bar Maximum Working Pressure Pressure Part Description Qty Part Description Qty 202660 FILTER air includes gauge and two 1 4 1 107142 VALVE ball vented 1 2 npt m inletx 1 2 1 npt m outlet valves 50 micron filter ele npt f outlet ment with 100 mesh inlet strainer 1 2 npt f inlet flow rate is over 50 scfm 1 4 m min Air Line Filter 250 psi 1 7 MPa 17 5 bar Maximum Working Pressure 01355 Part Description Qty 106149 FILTER air line 1 2 npt f inlet and outlet 1 Air Line Lubricator 250 psi 1 7 MPa 17 5 bar Maximum Working Pressure 24 312766N Air Regulator and Gauge 300 psi 2 1 MPa 21 bar Maximum Working Pressure Part Description 202156 REGULATOR air 0 200 psi 0 14 bar regulated pressure range 3 8 npt f inlet and outlet Fluid Drain Valve 500 psi 3 5
21. ransfer pump runs slowly 5 Use the air needle valve to control the pump speed Never allow the pump to run dry dry pump will quickly accelerate to a high speed and can damage the pump If the pump acceler ates quickly or starts running too fast stop it immediately and check the fluid supply If the supply container is empty or air has been pumped into the lines refill the container prime the pump and the lines with fluid or flush and leave it filled with a compatible sol vent Be sure to eliminate all air from the fluid system Do not attempt to operate pump unless it is securely mounted in a drum Daily Shutdown 1 Disconnect the air line quick disconnect coupler 55 2 When air pressure is bled off close the air needle valve 54 14 Corrosion Protection for Pump Water or moist air can cause your pump to corrode To help prevent corrosion NEVER leave the pump filled with water or air After normal flushing flush the pump again with mineral spirits solvent also called white spirit or oil based solvent relieve pressure and leave the mineral spirits solvent also called white spirit in the pump Be sure to follow to the Pressure Relief Procedure on page 13 Lubrication If you are not using an accessory air line lubri cator manually lubricate the motor daily Dis connect the air regulator place about 15 drops of light machine oil in the pump air inlet recon nect the regulator and t
22. rrosion inadequate or improper maintenance negligence accident tampering or substitution of non Graco component parts Nor shall Graco be liable for malfunction damage or wear caused by the incompatibility of Graco equipment with structures accessories equipment or materials not supplied by Graco or the improper design manufacture installation operation or maintenance of structures accessories equipment or materials not supplied by Graco This warranty is conditioned upon the prepaid return of the equipment claimed to be defective to an authorized Graco distributor for verification of the claimed defect If the claimed defect is verified Graco will repair or replace free of charge any defective parts The equipment will be returned to the original purchaser transportation prepaid If inspection of the equipment does not disclose any defect in material or workmanship repairs will be made at a reasonable charge which charges may include the costs of parts labor and transportation THIS WARRANTY IS EXCLUSIVE AND IS IN LIEU OF ANY OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO WARRANTY OF MERCHANTABILITY OR WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE Graco s sole obligation and buyer s sole remedy for any breach of warranty shall be as set forth above The buyer agrees that no other remedy including but not limited to incidental or consequential damages for lost profits lost sales injury to person or property or an
23. t an angle Replace if neces sary 5 Unscrew the piston body 23 from the pis ton valve housing on the fluid piston rod 19 FIG 17 ti11660a 6 Unscrew the fluid piston rod 19 from the pump connecting rod 37 Remove the cup packing 17 and bearing 18 FIG 18 19 17 18 o a ae a 1 ff A se a ne ae ee E we Nh 37 312766D_no seal 312766N Pump Lower Reassembly 1 Lubricate packing 17 and bearing 18 with no 2 lithium based grease 2 Install the bearing 18 and cup packing 17 with the lips facing down on the pump connecting rod 37 See FIG 18 3 Lubricate the piston seals 21 and bearing 22 with no 2 lithium based grease Install one piston seal 21 with the lips facing down bearing 22 and second piston seal 21 with lips facing up on the piston 23 Install the backup washer 20 with the grooves facing down See FIG 17 on page 18 4 Place the ball 3 on top of the piston body 23 and screw the piston body and the fluid piston rod 19 together Torque to 30 35 ft lb 41 48 Nem Screw the piston valve housing 29 onto the lower connect ing rod 19 See FIG 17 on page 18 5 Install the seal 51 with the lips facing down in the displacement pump frame 36 then install bearing 31 36 os 51 w T117181a FIG 19 312766N Repair pump frame 36 with insert tool N Install seal 51 from the bottom of the 24B9
24. ting threads Ensure the gasket is in place and screw the bung adapter 16 securely into the bunghole of the drum Insert the pump through the adapter 16 and lock it in place 7 WS LS OS as S CI aa 1117173a FIG 7 11 Setup 5 Install air line 3 8 in 76 mm ID minimum with quick disconnect air coupler 56 Iip 56 1117174a FIG 8 6 Connect a grounded fluid hose AH to the 1 2 npt f fluid outlet AL In a circulating system remove the pipe plug 2 and con nect a fluid return line to the 3 8 npt f return port AM Grounding To reduce the risk of static sparking ground the pump and all other equipment used or located in the pumping area Check your local electrical code for detailed grounding instructions for your area and type of equipment Ground all of this equipment 1 Pump Connect Ground Wire Y to ground ing screw 24 and tighten the screw securely See FIG 9 Connect the other 12 end of the wire to a true earth ground Make certain to comply with all National State and Local Electrical Codes 1117175a FIG 9 2 Air compressor according to manufac turer s recommendations 3 Fluid hoses use only grounded hoses with a maximum of 300 ft 91 m combined hose length to ensure grounding continuity 4 Dispensing valve grounding is obtained through connection to a properly grounded fluid hose and pump 5 Object
25. ttom of chart 2 Follow vertical line up to intersection with selected air pressure curve gray Follow horizontally right to read air consumption Key A 180 psi 1 2 MPA 12 4 bar B 100 psi 0 7 MPA 7 bar C 70 psi 0 5 MPa 7 8 bar D 40 psi 0 3 MPa 2 8 bar 350 24 24 5 245 0 672 gt S 21 210 0 560 S 250 2 A 17 5 175 m 3 D 0 448 a 200 COS E 14 140 5 5 o 336 O a 150 F 10 5 105 A 3 8 100 0 224 3 5 7 70 5 O ur 50 3 5 35 0 112 0 0 0 5 1 1 5 2 2 5 3 3 5 4 1 9 3 8 5 7 7 6 9 5 11 4 13 2 15 1 Fluid Flow in gpm Ipm 28 312766N 312766N Technical Data 29 Graco Standard Warranty Graco warrants all equipment referenced in this document which is manufactured by Graco and bearing its name to be free from defects in material and workmanship on the date of sale to the original purchaser for use With the exception of any special extended or limited warranty published by Graco Graco will for a period of twelve months from the date of sale repair or replace any part of the equipment determined by Graco to be defective This warranty applies only when the equipment is installed operated and maintained in accordance with Graco s written recommendations This warranty does not cover and Graco shall not be liable for general wear and tear or any malfunction damage or wear caused by faulty installation misapplication abrasion co
26. urn on the air supply to dispense oil into the motor 312766N Before you start e Have all the necessary repair parts on hand e Clean all parts with a compatible solvent Inspect parts for wear or damage and replace as needed e Flush the pump if possible Stop the pump at the bottom of its stroke Follow Pressure Relief Procedure on page 13 before repairing any part of the system e Disconnect the air and the fluid hoses and the grounding wire Remove the pump from its mounting and clamp it in a vise Required Tools e Pliers e Set of socket wrenches e Set of adjustable wrenches e Insert Tool 24B917 312766N Repair Air Motor Disassembly To reduce the risk of injury when servicing the air motor always remove cylinder cap 34 from air cylinder 8 before removing air cylinder from base 13 1 Unscrew the cylinder cap 34 from the cyl inder 8 To remove the spring 7 pry gen tly under the coils in the direction of the helix Inspect the spring 7 and gasket 27 for wear or damage replace if necessary See FIG 10 38 13 1117176a FIG 10 2 Unscrew the cylinder 8 from the air motor base 13 and lift the cylinder straight off the air piston 38 Unscrew by hand or use a chain wrench to prevent distortion of the cylinder s shape See FIG 10 15 Repair 3 Use a pliers on the top plate of the air valve piston 38 and a wrench on the piston rod 35 to unscrew the a
27. y other incidental or consequential loss shall be available Any action for breach of warranty must be brought within two 2 years of the date of sale GRACO MAKES NO WARRANTY AND DISCLAIMS ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE IN CONNECTION WITH ACCESSORIES EQUIPMENT MATERIALS OR COMPONENTS SOLD BUT NOT MANUFACTURED BY GRACO These items sold but not manufactured by Graco such as electric motors switches hose etc are subject to the warranty if any of their manufacturer Graco will provide purchaser with reasonable assistance in making any claim for breach of these warranties In no event will Graco be liable for indirect incidental special or consequential damages resulting from Graco supplying equipment hereunder or the furnishing performance or use of any products or other goods sold hereto whether due to a breach of contract breach of warranty the negligence of Graco or otherwise FOR GRACO CANADA CUSTOMERS The Parties acknowledge that they have required that the present document as well as all documents notices and legal proceedings entered into given or instituted pursuant hereto or relating directly or indirectly hereto be drawn up in English Les parties reconnaissent avoir convenu que la r daction du pr sente document sera en Anglais ainsi que tous documents avis et proc dures judiciaires ex cut s donn s ou intent s a la suite de ou en rapport directement ou indirectem
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